How many api reference standards do you supply?

We currently list 583 api reference standards, such as Digoxin, Doxepin, Estriol. We can also source or custom-synthesise items that are not listed.

Do api reference standards come with a COA and SDS?

Yes. Each lot is supplied with a batch Certificate of Analysis and a 16-section GHS Safety Data Sheet. Typical COAs can be shared before you order.

Can you export api reference standards to my country?

Yes. We ship worldwide by sea freight, air cargo and express courier, with export documentation, and pack hazardous materials to IATA/IMDG dangerous-goods rules.

Impurities & Reference Standards

API Reference Standards

583 api reference standards with CAS numbers, structures and specifications — batch COA and GHS SDS supplied.

3,436products

377in stock

COA + SDSwith every lot

Reference Standard

Lofepramine Hydrochloride

CAS: 26786-32-3
Formula: C₂₆H₂₈Cl₂N₂O
MW: 455.4 g/mol

VQ-038098

Reference Standard

Lofexidine

CAS: 31036-80-3
Formula: C₁₁H₁₂Cl₂N₂O
MW: 259.13 g/mol

VQ-038100

Reference Standard

Lofexidine Hydrochloride

CAS: 21498-08-8
Formula: C₁₁H₁₃Cl₃N₂O
MW: 295.6 g/mol

VQ-048917

Reference Standard

Loganin

CAS: 18524-94-2
Formula: C₁₇H₂₆O₁₀
MW: 390.4 g/mol

VQ-039570

Reference Standard

Lomefloxacin

CAS: 98079-51-7
Formula: C₁₇H₁₉F₂N₃O₃
MW: 351.35 g/mol

VQ-038104

Reference Standard

Lomefloxacin Hydrochloride

CAS: 98079-52-8
Formula: C₁₇H₂₀ClF₂N₃O₃
MW: 387.8 g/mol

VQ-038103

Reference Standard

Lomitapide

CAS: 182431-12-5
Formula: C₃₉H₃₇F₆N₃O₂
MW: 693.7 g/mol

VQ-038105

Reference Standard

Lomitapide Mesylate

CAS: 202914-84-9
Formula: C₄₀H₄₁F₆N₃O₅S
MW: 789.8 g/mol

VQ-038106

Reference Standard

Lomustine

CAS: 13010-47-4
Formula: C₉H₁₆ClN₃O₂
MW: 233.69 g/mol

VQ-031609

Reference Standard

Lonafarnib

CAS: 193275-84-2
Formula: C₂₇H₃₁Br₂ClN₄O₂
MW: 638.8 g/mol

VQ-048920

Reference Standard

Loperamide

CAS: 53179-11-6
Formula: C₂₉H₃₃ClN₂O₂
MW: 477 g/mol

VQ-007551

Reference Standard

Loperamide Hydrochloride

CAS: 34552-83-5
Formula: C₂₉H₃₄Cl₂N₂O₂
MW: 513.5 g/mol

In stock

Reference Standard

Lopinavir

CAS: 192725-17-0
Formula: C₃₇H₄₈N₄O₅
MW: 628.8 g/mol

VQ-026498

Reference Standard

Loprazolam

CAS: 61197-73-7
Formula: C₂₃H₂₁ClN₆O₃
MW: 464.9 g/mol

VQ-048934

Reference Standard

Loratadine

CAS: 79794-75-5
Formula: C₂₂H₂₃ClN₂O₂
MW: 382.9 g/mol

In stock

Reference Standard

Lorcaserin

CAS: 616202-92-7
Formula: C₁₁H₁₄ClN
MW: 195.69 g/mol

VQ-048942

Reference Standard

Lorcaserin Hydrochloride

CAS: 846589-98-8
Formula: C₁₁H₁₅Cl₂N
MW: 232.15 g/mol

VQ-038132

Reference Standard

Lorcaserin Hydrochloride Hemihydrate

CAS: 856681-05-5
Formula: C₂₂H₃₂Cl₄N₂O
MW: 482.3 g/mol

VQ-038133

Reference Standard

Lorlatinib

CAS: 1454846-35-5
Formula: C₂₁H₁₉FN₆O₂
MW: 406.4 g/mol

VQ-026507

Reference Standard

Losartan

CAS: 114798-26-4
Formula: C₂₂H₂₃ClN₆O
MW: 422.9 g/mol

VQ-038144

Reference Standard

Loteprednol

CAS: 129260-79-3
Formula: C₂₁H₂₇ClO₅
MW: 394.9 g/mol

VQ-038157

Reference Standard

Loteprednol Etabonate

CAS: 82034-46-6
Formula: C₂₄H₃₁ClO₇
MW: 466.9 g/mol

VQ-031649

Reference Standard

Lotilaner

CAS: 1369852-71-0
Formula: C₂₀H₁₄Cl₃F₆N₃O₃S
MW: 596.8 g/mol

VQ-038158

Reference Standard

Loxapine

CAS: 1977-10-2
Formula: C₁₈H₁₈ClN₃O
MW: 327.8 g/mol

VQ-048966

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API Reference Standards

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